【 Premium Recommendation 】 Doosan 300-7 second-hand excavator, with outstanding performance and high cost performance, is your ideal choice for engineering operations! This Doosan 300-7 excavator has only been in operation for 4,500 hours since it left the factory. With a short usage period, its overall condition remains good. This machine is equipped with a high-performance engine independently developed by Doosan, which is powerful and has low fuel consumption. It not only meets the operation requirements under various complex working conditions but also significantly reduces operating costs. In terms of the hydraulic system, Doosan 300-7 is equipped with an advanced negative flow control system, ensuring smooth operation and rapid response. It can handle both excavation and loading with ease. In addition, its unique cooling system design effectively enhances the heat dissipation efficiency, ensuring the stable operation of the machine even during long-term continuous operation. This machine has a neat appearance without obvious damage. The cab is spacious and comfortable, with a wide field of vision. The operation is simple and easy to master. More importantly, Doosan, as one of the globally renowned construction machinery brands,2025-12-19 10:36:47